Letter tray riser



FIG. 1 is a top, left front perspective view of a letter tray risershowing my new design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevational view of a second embodiment of my newdesign;

FIG. 5 is a right side elevational view of FIG. 1 the left side being amirror image thereof;

FIG. 6 is a rear elevational view of FIG. 1;

FIG. 7 is a top, left front perspective view of a third embodiment of mynew design; and,

FIG. 8 is a top, left front perspective view of FIG. 4.

The ornamental design for a letter tray riser, as shown and described. 